:only-child Selector

jQuery

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:only-child Selector

Categories: Selectors > Child Filter

only-child selector

Description: Selects all elements that are the only child of their parent.

  • version added: 1.1.4jQuery( ":only-child" )

If the parent has other child elements, nothing is matched.

Example:

Change the text and add a border for each button that is the only child of its parent.

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                                        <!DOCTYPE html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <html>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <head>
                                      
                                    

                                  

                                  

                                    

                                        <style>
                                    

                                  

                                  

                                    

                                        div { width:100px; height:80px; margin:5px; float:left; background:#b9e }
                                    

                                  

                                  

                                    

                                      
                                        </style>
                                      
                                    

                                  

                                  

                                    

                                        <script src="http://code.jquery.com/jquery-latest.js"></script>
                                    

                                  

                                  

                                    

                                      
                                        </head>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <body>
                                      
                                    

                                  

                                  

                                    

                                        <div>
                                    

                                  

                                  

                                    

                                        <button>Sibling!</button>
                                    

                                  

                                  

                                    

                                        <button>Sibling!</button>
                                    

                                  

                                  

                                    

                                      
                                        </div>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        <div>
                                      
                                    

                                  

                                  

                                    

                                        <button>Sibling!</button>
                                    

                                  

                                  

                                    

                                      
                                        </div>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <div>
                                      
                                    

                                  

                                  

                                    

                                        None
                                    

                                  

                                  

                                    

                                      
                                        </div>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        <div>
                                      
                                    

                                  

                                  

                                    

                                        <button>Sibling!</button>
                                    

                                  

                                  

                                    

                                        <button>Sibling!</button>
                                    

                                  

                                  

                                    

                                        <button>Sibling!</button>
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </div>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <div>
                                      
                                    

                                  

                                  

                                    

                                        <button>Sibling!</button>
                                    

                                  

                                  

                                    

                                      
                                        </div>
                                      
                                    

                                  

                                  

                                    

                                      
                                        <script>
                                        
                                      
                                    

                                  

                                  

                                    

                                        $("div button:only-child").text("Alone").css("border", "2px blue solid");
                                    

                                  

                                  

                                    

                                      
                                        </script>
                                      
                                    

                                  

                                  

                                    

                                       
                                    

                                  

                                  

                                    

                                      
                                        </body>
                                      
                                    

                                  

                                  

                                    

                                      
                                        </html>
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